Translations:Surveillance course participant/72/en
A survey is a data collection tool used to gather information about individuals. There are many, many types of survey. Surveys collect information from a subset or sample of the population.
A survey is a data collection tool used to gather information about individuals. There are many, many types of survey. Surveys collect information from a subset or sample of the population.
Halaman ini terakhir diubah pada 25 Agustus 2014, pukul 03.02.